// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <vector>

#include "components/cbor/reader.h"
#include "components/cbor/writer.h"
#include "device/fido/attestation_statement_formats.h"
#include "device/fido/fido_constants.h"
#include "device/fido/fido_parsing_utils.h"
#include "device/fido/fido_test_data.h"
#include "device/fido/opaque_attestation_statement.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace device {
namespace {

// The signature part from test_data::kPackedAttestationStatementCBOR.
constexpr uint8_t kSignature[] = {
    0x30, 0x45, 0x02, 0x20, 0x32, 0x47, 0x79, 0xC6, 0x8F, 0x33, 0x80, 0x28,
    0x8A, 0x11, 0x97, 0xB6, 0x09, 0x5F, 0x7A, 0x6E, 0xB9, 0xB1, 0xB1, 0xC1,
    0x27, 0xF6, 0x6A, 0xE1, 0x2A, 0x99, 0xFE, 0x85, 0x32, 0xEC, 0x23, 0xB9,
    0x02, 0x21, 0x00, 0xE3, 0x95, 0x16, 0xAC, 0x4D, 0x61, 0xEE, 0x64, 0x04,
    0x4D, 0x50, 0xB4, 0x15, 0xA6, 0xA4, 0xD4, 0xD8, 0x4B, 0xA6, 0xD8, 0x95,
    0xCB, 0x5A, 0xB7, 0xA1, 0xAA, 0x7D, 0x08, 0x1D, 0xE3, 0x41, 0xFA,
};

// The certificates part from test_data::kPackedAttestationStatementCBOR.
constexpr uint8_t kCertificates[] = {
    0x30, 0x82, 0x02, 0x4A, 0x30, 0x82, 0x01, 0x32, 0xA0, 0x03, 0x02, 0x01,
    0x02, 0x02, 0x04, 0x04, 0x6C, 0x88, 0x22, 0x30, 0x0D, 0x06, 0x09, 0x2A,
    0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x0B, 0x05, 0x00, 0x30, 0x2E,
    0x31, 0x2C, 0x30, 0x2A, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x23, 0x59,
    0x75, 0x62, 0x69, 0x63, 0x6F, 0x20, 0x55, 0x32, 0x46, 0x20, 0x52, 0x6F,
    0x6F, 0x74, 0x20, 0x43, 0x41, 0x20, 0x53, 0x65, 0x72, 0x69, 0x61, 0x6C,
    0x20, 0x34, 0x35, 0x37, 0x32, 0x30, 0x30, 0x36, 0x33, 0x31, 0x30, 0x20,
    0x17, 0x0D, 0x31, 0x34, 0x30, 0x38, 0x30, 0x31, 0x30, 0x30, 0x30, 0x30,
    0x30, 0x30, 0x5A, 0x18, 0x0F, 0x32, 0x30, 0x35, 0x30, 0x30, 0x39, 0x30,
    0x34, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x5A, 0x30, 0x2C, 0x31, 0x2A,
    0x30, 0x28, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0C, 0x21, 0x59, 0x75, 0x62,
    0x69, 0x63, 0x6F, 0x20, 0x55, 0x32, 0x46, 0x20, 0x45, 0x45, 0x20, 0x53,
    0x65, 0x72, 0x69, 0x61, 0x6C, 0x20, 0x32, 0x34, 0x39, 0x31, 0x38, 0x32,
    0x33, 0x32, 0x34, 0x37, 0x37, 0x30, 0x30, 0x59, 0x30, 0x13, 0x06, 0x07,
    0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x02, 0x01, 0x06, 0x08, 0x2A, 0x86, 0x48,
    0xCE, 0x3D, 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04, 0x3C, 0xCA, 0xB9,
    0x2C, 0xCB, 0x97, 0x28, 0x7E, 0xE8, 0xE6, 0x39, 0x43, 0x7E, 0x21, 0xFC,
    0xD6, 0xB6, 0xF1, 0x65, 0xB2, 0xD5, 0xA3, 0xF3, 0xDB, 0x13, 0x1D, 0x31,
    0xC1, 0x6B, 0x74, 0x2B, 0xB4, 0x76, 0xD8, 0xD1, 0xE9, 0x90, 0x80, 0xEB,
    0x54, 0x6C, 0x9B, 0xBD, 0xF5, 0x56, 0xE6, 0x21, 0x0F, 0xD4, 0x27, 0x85,
    0x89, 0x9E, 0x78, 0xCC, 0x58, 0x9E, 0xBE, 0x31, 0x0F, 0x6C, 0xDB, 0x9F,
    0xF4, 0xA3, 0x3B, 0x30, 0x39, 0x30, 0x22, 0x06, 0x09, 0x2B, 0x06, 0x01,
    0x04, 0x01, 0x82, 0xC4, 0x0A, 0x02, 0x04, 0x15, 0x31, 0x2E, 0x33, 0x2E,
    0x36, 0x2E, 0x31, 0x2E, 0x34, 0x2E, 0x31, 0x2E, 0x34, 0x31, 0x34, 0x38,
    0x32, 0x2E, 0x31, 0x2E, 0x32, 0x30, 0x13, 0x06, 0x0B, 0x2B, 0x06, 0x01,
    0x04, 0x01, 0x82, 0xE5, 0x1C, 0x02, 0x01, 0x01, 0x04, 0x04, 0x03, 0x02,
    0x04, 0x30, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D,
    0x01, 0x01, 0x0B, 0x05, 0x00, 0x03, 0x82, 0x01, 0x01, 0x00, 0x9F, 0x9B,
    0x05, 0x22, 0x48, 0xBC, 0x4C, 0xF4, 0x2C, 0xC5, 0x99, 0x1F, 0xCA, 0xAB,
    0xAC, 0x9B, 0x65, 0x1B, 0xBE, 0x5B, 0xDC, 0xDC, 0x8E, 0xF0, 0xAD, 0x2C,
    0x1C, 0x1F, 0xFB, 0x36, 0xD1, 0x87, 0x15, 0xD4, 0x2E, 0x78, 0xB2, 0x49,
    0x22, 0x4F, 0x92, 0xC7, 0xE6, 0xE7, 0xA0, 0x5C, 0x49, 0xF0, 0xE7, 0xE4,
    0xC8, 0x81, 0xBF, 0x2E, 0x94, 0xF4, 0x5E, 0x4A, 0x21, 0x83, 0x3D, 0x74,
    0x56, 0x85, 0x1D, 0x0F, 0x6C, 0x14, 0x5A, 0x29, 0x54, 0x0C, 0x87, 0x4F,
    0x30, 0x92, 0xC9, 0x34, 0xB4, 0x3D, 0x22, 0x2B, 0x89, 0x62, 0xC0, 0xF4,
    0x10, 0xCE, 0xF1, 0xDB, 0x75, 0x89, 0x2A, 0xF1, 0x16, 0xB4, 0x4A, 0x96,
    0xF5, 0xD3, 0x5A, 0xDE, 0xA3, 0x82, 0x2F, 0xC7, 0x14, 0x6F, 0x60, 0x04,
    0x38, 0x5B, 0xCB, 0x69, 0xB6, 0x5C, 0x99, 0xE7, 0xEB, 0x69, 0x19, 0x78,
    0x67, 0x03, 0xC0, 0xD8, 0xCD, 0x41, 0xE8, 0xF7, 0x5C, 0xCA, 0x44, 0xAA,
    0x8A, 0xB7, 0x25, 0xAD, 0x8E, 0x79, 0x9F, 0xF3, 0xA8, 0x69, 0x6A, 0x6F,
    0x1B, 0x26, 0x56, 0xE6, 0x31, 0xB1, 0xE4, 0x01, 0x83, 0xC0, 0x8F, 0xDA,
    0x53, 0xFA, 0x4A, 0x8F, 0x85, 0xA0, 0x56, 0x93, 0x94, 0x4A, 0xE1, 0x79,
    0xA1, 0x33, 0x9D, 0x00, 0x2D, 0x15, 0xCA, 0xBD, 0x81, 0x00, 0x90, 0xEC,
    0x72, 0x2E, 0xF5, 0xDE, 0xF9, 0x96, 0x5A, 0x37, 0x1D, 0x41, 0x5D, 0x62,
    0x4B, 0x68, 0xA2, 0x70, 0x7C, 0xAD, 0x97, 0xBC, 0xDD, 0x17, 0x85, 0xAF,
    0x97, 0xE2, 0x58, 0xF3, 0x3D, 0xF5, 0x6A, 0x03, 0x1A, 0xA0, 0x35, 0x6D,
    0x8E, 0x8D, 0x5E, 0xBC, 0xAD, 0xC7, 0x4E, 0x07, 0x16, 0x36, 0xC6, 0xB1,
    0x10, 0xAC, 0xE5, 0xCC, 0x9B, 0x90, 0xDF, 0xEA, 0xCA, 0xE6, 0x40, 0xFF,
    0x1B, 0xB0, 0xF1, 0xFE, 0x5D, 0xB4, 0xEF, 0xF7, 0xA9, 0x5F, 0x06, 0x07,
    0x33, 0xF5,
};

TEST(PackedAttestationStatementTest, CBOR) {
  EXPECT_THAT(
      *cbor::Writer::Write(AsCBOR(PackedAttestationStatement(
          CoseAlgorithmIdentifier::kEs256,
          fido_parsing_utils::Materialize(kSignature),
          {fido_parsing_utils::Materialize(kCertificates)}))),
      testing::ElementsAreArray(test_data::kPackedAttestationStatementCBOR));
}

TEST(PackedAttestationStatementTest, CBOR_NoCerts) {
  EXPECT_THAT(*cbor::Writer::Write(AsCBOR(PackedAttestationStatement(
                  CoseAlgorithmIdentifier::kEs256,
                  fido_parsing_utils::Materialize(kSignature), {}))),
              testing::ElementsAreArray(
                  test_data::kPackedAttestationStatementCBORNoCerts));
}

TEST(OpaqueAttestationStatementTest, GetLeafCertificate) {
  auto attestation_map =
      cbor::Reader::Read(test_data::kPackedAttestationStatementCBOR);
  ASSERT_TRUE(attestation_map);
  OpaqueAttestationStatement statement("packed", std::move(*attestation_map));
  EXPECT_FALSE(statement.IsSelfAttestation());
  auto leaf_cert = statement.GetLeafCertificate();
  ASSERT_TRUE(leaf_cert);
  EXPECT_EQ(590u, leaf_cert->size());
}

}  // namespace
}  // namespace device
